Miniature Metric BearingsPart Interchange

Open

Sealed

Shielded

Open bearings dissipate heat more efficiently than shielded and sealed bearings.

Shielded bearings block out dust and other contaminants, but do not dissipate heat as efficiently as open bearings.

Sealed bearings block out dust and other contaminants better than open and shielded bearings, but retain the most heat.

Product Number Seal Type Bore Dia (d) Outer Dia (D) Width (B) Dynamic Load
Rating
(Cr) (N)
Static Load
Rating
(Cor) (N)
MAX SPEED
(GREASE)
(X1000 RPM)
681 Open 1 mm 3mm 1mm 82 21 130
691 Open 1 mm 4mm 1.6mm 120 30 100
681x Open 1.5 mm 4mm 1.2mm 95 26 100
681xzz Shielded 1.5 mm 4mm 2mm 95 26 100
691x Open 1.5 mm 5mm 2mm 144 40 85
691xzz Shielded 1.5 mm 5mm 2.6mm 144 40 85
601x Open 1.5 mm 6mm 2.5mm 281 79 75
601xzz Shielded 1.5 mm 6mm 3mm 281 79 75
682 Open 2 mm 5mm 1.5mm 144 40 85
682 2rs Sealed 2 mm 5mm 2.3mm 144 40 85
682zz Shielded 2 mm 5mm 2.3mm 144 40 85
MR52 Open 2 mm 5mm 2mm 144 40 85
MR52 2rs Sealed 2 mm 5mm 2.5mm 144 40 85
MR52zz Shielded 2 mm 5mm 2.5mm 144 40 85
692 Open 2 mm 6mm 2.3mm 281 79 75
692 2rs Sealed 2 mm 6mm 3mm 281 79 75
692zz Shielded 2 mm 6mm 3mm 281 79 75
MR62 Open 2 mm 6mm 2.5mm 281 79 75
MR62 2rs Sealed 2 mm 6mm 2.5mm 281 79 75
MR62zz Shielded 2 mm 6mm 2.5mm 281 79 75
602 Open 2 mm 7mm 2.8mm 328 103 60
602 2rs Sealed 2 mm 7mm 3.5mm 328 103 60
602zz Shielded 2 mm 7mm 3.5mm 328 103 60
MR72 Open 2 mm 7mm 2.5mm 328 103 63
MR72 2rs Sealed 2 mm 7mm 3mm 328 103 63
MR72zz Shielded 2 mm 7mm 3mm 328 103 65
682x Open 2.5 mm 6mm 1.8mm 178 59 71
682x 2rs Sealed 2.5 mm 6mm 2.6mm 178 59 71
682xzz Shielded 2.5 mm 6mm 2.6mm 178 59 71
692x Open 2.5 mm 7mm 2.5mm 328 103 63
692x 2rs Sealed 2.5 mm 7mm 3.5mm 328 103 63
692xzz Shielded 2.5 mm 7mm 3.5mm 328 103 63
602x Open 2.5 mm 8mm 2.8mm 469 142 60
602x 2rs Sealed 2.5 mm 8mm 4mm 469 142 60
602xzz Shielded 2.5 mm 8mm 4mm 469 142 60
MR82x Open 2.5 mm 8mm 2.5mm 474 144 60
MR82x 2rs Sealed 2.5 mm 8mm 2.5mm 474 144 60
MR82xzz Shielded 2.5 mm 8mm 2.5mm 474 144 60
MR63 Open 3 mm 6mm 2mm 178 59 71
MR63 2rs Sealed 3 mm 6mm 2.5mm 178 59 71
MR63zz Shielded 3 mm 6mm 2.5mm 178 59 71
683 Open 3 mm 7mm 2mm 264 90 63
683 2rs Sealed 3 mm 7mm 3mm 264 90 63
683zz Shielded 3 mm 7mm 3mm 264 90 63
693 Open 3 mm 8mm 3mm 474 144 60
693 2rs Sealed 3 mm 8mm 4mm 474 144 60
693zz Shielded 3 mm 8mm 4mm 474 144 60
MR83 Open 3 mm 8mm 2.5mm 336 113 60
MR83 2rs Sealed 3 mm 8mm 3mm 336 113 60
MR83zz Shielded 3 mm 8mm 3mm 336 113 60
603 Open 3 mm 9mm 3mm 230 151 56
603 2rs Sealed 3 mm 9mm 5mm 230 151 56
603zz Shielded 3 mm 9mm 5mm 230 151 56
MR93 Open 3 mm 9mm 2.5mm 485 151 56
MR93 2rs Sealed 3 mm 9mm 4mm 485 151 56
MR93zz Shielded 3 mm 9mm 4mm 485 151 56
623 Open 3 mm 10mm 4mm 536 175 50
623 2rs Sealed 3 mm 10mm 4mm 536 175 50
623zz Shielded 3 mm 10mm 4mm 536 175 50
633 Open 3 mm 13mm 5mm 1106 390 40
633 2rs Sealed 3 mm 13mm 5mm 1106 390 40
633zz Shielded 3 mm 13mm 5mm 1106 390 40
MR74 Open 4 mm 7mm 2mm 264 92 60
MR74 2rs Sealed 4 mm 7mm 2.5mm 264 92 60
MR74zz Shielded 4 mm 7mm 2.5mm 217 86 60
MR84 Open 4 mm 8mm 2mm 336 113 56
MR84 2rs Sealed 4 mm 8mm 3mm 336 113 56
MR84zz Shielded 4 mm 8mm 3mm 336 113 56
684 Open 4 mm 9mm 2.5mm 545 182 53
684 2rs Sealed 4 mm 9mm 4mm 545 182 53
684zz Shielded 4 mm 9mm 4mm 545 182 53
MR104 Open 4 mm 10mm 3mm 604 218 48
MR104 2rs Sealed 4 mm 10mm 4mm 604 218 48
MR104zz Shielded 4 mm 10mm 4mm 604 218 48
694 Open 4 mm 11mm 4mm 814 280 48
694 2rs Sealed 4 mm 11mm 4mm 814 280 48
694zz Shielded 4 mm 11mm 4mm 814 280 48
604 Open 4 mm 12mm 4mm 814 280 48
604 2rs Sealed 4 mm 12mm 4mm 814 280 48
604zz Shielded 4 mm 12mm 4mm 814 280 48
624 Open 4 mm 13mm 5mm 1106 390 40
624 2rs Sealed 4 mm 13mm 5mm 1106 390 40
624zz Shielded 4 mm 13mm 5mm 1106 390 40
634 Open 4 mm 16mm 5mm 1139 418 36
634 2rs Sealed 4 mm 16mm 5mm 1139 418 36
634zz Shielded 4 mm 16mm 5mm 1139 418 36
MR85 Open 5 mm 8mm 2mm 262 96 53
MR85 2rs Sealed 5 mm 8mm 2.5mm 185 72 53
MR85zz Shielded 5 mm 8mm 2.5mm 185 72 53
MR95 Open 5 mm 9mm 2.5mm 366 135 50
MR95 2rs Sealed 5 mm 9mm 3mm 366 135 50
MR95zz Shielded 5 mm 9mm 3mm 366 135 50
MR105 Open 5 mm 10mm 3mm 366 135 50
MR105 2rs Sealed 5 mm 10mm 4mm 366 135 50
MR105zz Shielded 5 mm 10mm 4mm 366 135 50
685 Open 5 mm 11mm 3mm 609 226 45
685 2rs Sealed 5 mm 11mm 5mm 609 226 45
685zz Shielded 5 mm 11mm 5mm 609 226 45
MR115 Open 5 mm 11mm 4mm 609 226 45
MR115 2rs Sealed 5 mm 11mm 4mm 609 226 45
MR115zz Shielded 5 mm 11mm 4mm 609 226 45
695 Open 5 mm 13mm 4mm 916 346 43
695 2rs Sealed 5 mm 13mm 4mm 916 346 43
695zz Shielded 5 mm 13mm 4mm 916 346 43
605 Open 5 mm 14mm 5mm 1130 406 40
605 2rs Sealed 5 mm 14mm 5mm 1130 406 40
605zz Shielded 5 mm 14mm 5mm 1130 406 40
625 Open 5 mm 16mm 5mm 1470 540 36
625 2rs Sealed 5 mm 16mm 5mm 1470 540 36
625zz Shielded 5 mm 16mm 5mm 1470 540 36
635 Open 5 mm 19mm 6mm 1986 717 32
635 2rs Sealed 5 mm 19mm 6mm 1986 717 32
635zz Shielded 5 mm 19mm 6mm 1986 717 32
MR106 Open 6 mm 10mm 2.5mm 422 174 45
MR106 2rs Sealed 6 mm 10mm 3mm 422 174 45
MR106zz Shielded 6 mm 10mm 3mm 422 174 45
MR126 Open 6 mm 12mm 3mm 609 236 43
MR126 2rs Sealed 6 mm 12mm 4mm 609 236 43
MR126zz Shielded 6 mm 12mm 4mm 609 236 43
686 Open 6 mm 13mm 3.5mm 920 354 40
686 2rs Sealed 6 mm 13mm 5mm 920 354 40
686zz Shielded 6 mm 13mm 5mm 920 354 40
696 Open 6 mm 15mm 5mm 1139 418 40
696 2rs Sealed 6 mm 15mm 5mm 1139 418 40
696zz Shielded 6 mm 15mm 5mm 1139 418 40
606 Open 6 mm 17mm 6mm 1924 677 38
606 2rs Sealed 6 mm 17mm 6mm 1924 677 38
606zz Shielded 6 mm 17mm 6mm 1924 677 38
626 Open 6 mm 19mm 6mm 1986 717 32
626 2rs Sealed 6 mm 19mm 6mm 1986 717 32
626zz Shielded 6 mm 19mm 6mm 1986 717 32
636 Open 6 mm 22mm 7mm 2833 1138 30
636 2rs Sealed 6 mm 22mm 7mm 2833 1138 30
636zz Shielded 6 mm 22mm 7mm 2833 1138 30
MR117 Open 7 mm 11mm 2.5mm 387 162 43
MR117 2rs Sealed 7 mm 11mm 3mm 387 162 43
MR117zz Shielded 7 mm 11mm 3mm 387 162 43
MR137 Open 7 mm 13mm 3mm 460 221 40
MR137 2rs Sealed 7 mm 13mm 4mm 460 221 40
MR137zz Shielded 7 mm 13mm 4mm 460 221 40
687 Open 7 mm 14mm 3.5mm 997 410 40
687 2rs Sealed 7 mm 14mm 5mm 977 410 40
687zz Shielded 7 mm 14mm 5mm 997 410 40
697 Open 7 mm 17mm 5mm 1364 575 36
697 2rs Sealed 7 mm 17mm 5mm 1364 575 36
697zz Shielded 7 mm 17mm 5mm 1364 575 36
607 Open 7 mm 19mm 6mm 1986 717 36
607 2rs Sealed 7 mm 19mm 6mm 1986 717 36
607zz Shielded 7 mm 19mm 6mm 1986 717 36
627 Open 7 mm 22mm 7mm 2794 1103 30
627 2rs Sealed 7 mm 22mm 7mm 2794 1103 30
627zz Shielded 7 mm 22mm 7mm 2794 1130 30
637 Open 7 mm 26mm 9mm 3879 1586 28
637 2rs Sealed 7 mm 26mm 9mm 3879 1586 28
637zz Shielded 7 mm 26mm 9mm 3879 1586 28
MR128 Open 8 mm 12mm 2.5mm 462 219 40
MR128 2rs Sealed 8 mm 12mm 3.5mm 462 219 40
MR128zz Shielded 8 mm 12mm 3.5mm 462 219 40
MR148 Open 8 mm 14mm 3.5mm 695 309 38
MR148 2rs Sealed 8 mm 14mm 4mm 695 309 38
MR148zz Shielded 8 mm 14mm 4mm 695 309 38
688 Open 8 mm 16mm 4mm 1064 474 36
688 2rs Sealed 8 mm 16mm 5mm 1064 474 36
688zz Shielded 8 mm 16mm 5mm 1064 474 36
698 Open 8 mm 19mm 6mm 1902 734 36
698 2rs Sealed 8 mm 19mm 6mm 1902 734 36
698zz Shielded 8 mm 19mm 6mm 1902 734 36
608 Open 8 mm 22mm 7mm 2799 1103 34
608 2rs Sealed 8 mm 22mm 7mm 2799 1103 34
608zz Shielded 8 mm 22mm 7mm 2799 1103 34
628 Open 8 mm 24mm 8mm 2833 1138 28
628 2rs Sealed 8 mm 24mm 8mm 2833 1138 28
628zz Shielded 8 mm 24mm 8mm 2833 1138 28
638 Open 8 mm 28mm 9mm 3879 1586 28
638 2rs Sealed 8 mm 28mm 9mm 3879 1586 28
638zz Shielded 8 mm 28mm 9mm 3879 1586 28
679 Open 9 mm 14mm 3mm 781 374 36
679 2rs Sealed 9 mm 14mm 4.5mm 781 374 36
679zz Shielded 9 mm 14mm 4.5mm 781 374 36
689 Open 9 mm 17mm 4mm 1128 534 36
689 2rs Sealed 9 mm 17mm 5mm 1128 534 36
689zz Shielded 9 mm 17mm 5mm 1128 534 36
699 Open 9 mm 20mm 6mm 2097 865 34
699 2rs Sealed 9 mm 20mm 6mm 2097 865 34
699zz Shielded 9 mm 20mm 6mm 2097 865 34
609 Open 9 mm 24mm 7mm 2853 1155 32
609 2rs Sealed 9 mm 24mm 7mm 2853 1155 32
609zz Shielded 9 mm 24mm 7mm 2853 1155 32
629 Open 9 mm 26mm 8mm 3879 1586 28
629 2rs Sealed 9 mm 26mm 8mm 3879 1586 28
629zz Shielded 9 mm 26mm 8mm 3879 1586 28
639 Open 9 mm 30mm 10mm 3960 1664 24
639 2rs Sealed 9 mm 30mm 10mm 3960 1664 24
639zz Shielded 9 mm 30 mm 10 mm 3960 1664 24

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